/**
* @depends testOffsetSetOffsetGet
*/
function testOffsetExists()
{
$map = new HashMap();
$this->assertFalse($map->offsetExists(0));
$map[0] = 1;
$this->assertTrue($map->offsetExists(0));
$this->assertFalse($map->offsetExists(1));
$map[1] = 2;
$this->assertTrue($map->offsetExists(0));
$this->assertTrue($map->offsetExists(1));
$this->assertFalse($map->offsetExists(-1));
}